package demo2;

public class KeyBoard implements USB{
    @Override
    public void openDevice() {
        System.out.println("插上键盘盘！！！");
    }

    @Override
    public void closeDevice() {
        System.out.println("疯狂敲打键盘盘......");
    }

    public void input() {
        System.out.println("疯狂敲打键盘盘");
    }
}
